题目内容：
Petra has so many friends because she is a gregarious person.
A.introverted, self-contained
B.shy, quiet
C.friendly, outgoing
D.rude, hostile
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：Petra has so many friends because she is a gregarious person
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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